MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86c095bb19bc65eed3cd2edeb97ec3101b10818086329f7c6e6431ac67dcbd8b. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: 86c095bb19bc65eed3cd2edeb97ec3101b10818086329f7c6e6431ac67dcbd8b
SHA3-384 hash: 966438174a6c5f48a5d4ce41e37d0ff9656616720fa517810cb6e765e35710497bbe5bb0d70e3b89ba85a8f55cb4822c
SHA1 hash: ed6df5d5f21117321c3ee039905e0f8138cd17ff
MD5 hash: 3a4fbe45371c0971a93dacd26edf926b
humanhash: fish-wyoming-high-bravo
File name:KdjwXZGNkjHPhKv.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:772'096 bytes
First seen:2022-12-20 10:14:10 UTC
Last seen:2022-12-27 09:53:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:o9mMbCXJOtcnXJPkaUca8F0JhbB1RO1oTznmbhMKg3g43XR8:ymMW4C5MBcGpnEiTznmblg3R3XR8
TLSH T113F49E1231F2A4A3F5C704765011BACC2C3D7213A6E5E21B69753E9562029BBFFE4F92
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
174
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
KdjwXZGNkjHPhKv.exe
Verdict:
Malicious activity
Analysis date:
2022-12-20 10:15:29 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/99f57b70-1289-42a4-a2a2-c5ed8f514dfd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/348313/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.7276.11835.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Gathering data
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d87ebb98-14cb-4923-b492-9cfe701e2451
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1137848
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 770577 Sample: KdjwXZGNkjHPhKv.exe Startdate: 20/12/2022 Architecture: WINDOWS Score: 100 51 Malicious sample detected (through community Yara rule) 2->51 53 Sigma detected: Scheduled temp file as task from temp location 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 7 other signatures 2->57 9 KdjwXZGNkjHPhKv.exe 7 2->9         started        13 CwOOZo.exe 5 2->13         started        process3 file4 43 C:\Users\user\AppData\Roaming\CwOOZo.exe, PE32 9->43 dropped 45 C:\Users\user\...\CwOOZo.exe:Zone.Identifier, ASCII 9->45 dropped 47 C:\Users\user\AppData\Local\...\tmp40D4.tmp, XML 9->47 dropped 49 C:\Users\user\...\KdjwXZGNkjHPhKv.exe.log, ASCII 9->49 dropped 65 Uses schtasks.exe or at.exe to add and modify task schedules 9->65 67 Adds a directory exclusion to Windows Defender 9->67 69 Tries to detect virtualization through RDTSC time measurements 9->69 15 KdjwXZGNkjHPhKv.exe 9->15         started        18 powershell.exe 21 9->18         started        20 schtasks.exe 1 9->20         started        26 3 other processes 9->26 71 Multi AV Scanner detection for dropped file 13->71 73 Machine Learning detection for dropped file 13->73 75 Injects a PE file into a foreign processes 13->75 22 CwOOZo.exe 13->22         started        24 schtasks.exe 1 13->24         started        signatures5 process6 signatures7 77 Modifies the context of a thread in another process (thread injection) 15->77 79 Maps a DLL or memory area into another process 15->79 81 Sample uses process hollowing technique 15->81 83 Queues an APC in another process (thread injection) 15->83 28 explorer.exe 15->28 injected 30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 24->34         started        process8 process9 36 chkdsk.exe 28->36         started        39 wlanext.exe 28->39         started        signatures10 59 Modifies the context of a thread in another process (thread injection) 36->59 61 Maps a DLL or memory area into another process 36->61 63 Tries to detect virtualization through RDTSC time measurements 36->63 41 cmd.exe 1 36->41         started        process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/86c095bb19bc65eed3cd2edeb97ec3101b10818086329f7c6e6431ac67dcbd8b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-12-20 09:23:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q3ajloyzxrs65u6nf3pls7wdcanrbamaqyzj67domqy2yz64xwfq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ft63 rat spyware stealer trojan
Link:
https://tria.ge/reports/221220-l991qshc39/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cd487624-c2c3-4fe3-bb1c-aeaefbc4159b
Unpacked files
SH256 hash:
4846b4143d580b4ed2de34e4d0166c97afbec46c3d80df662f14905f64f4fcac
MD5 hash:
a9d4284cde3adf98cc2c1694fd22716d
SHA1 hash:
6b26d4b8eb4e681bf9af3399c18567843d4a3243
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/4d97fe2a-053e-41b2-8ef1-f710885e4210/
Parent samples :
67695470958912e6724c51eed1dc8b996b91bc926c3e0428a3d0637c6ed2ba53
86c095bb19bc65eed3cd2edeb97ec3101b10818086329f7c6e6431ac67dcbd8b
b61654d4440ff18d10ad8a7425493946063c79e233aef6e97d8b6c20d092bda2
5f5226121b1e4d48d04118b8734712ca4ee19a584dc14494fe1bf72fafd80558
SH256 hash:
fc6485350cf55dc14ecbfd9b91b7a9979f61023b4104101e9f351caa6c73abaa
MD5 hash:
6c3fdb2b5d93cf814ea1b6ca05a0efcf
SHA1 hash:
f8ae5f9fa1c9b6b0e47b2f0873d2ee3373e0ebf5
Link:
https://www.unpac.me/results/4d97fe2a-053e-41b2-8ef1-f710885e4210/
SH256 hash:
992cbc3483d76ac0a9ebfcb3124df1ba09c0a968ff13aac45b4820c4498d611d
MD5 hash:
077feaec42c6095f834f43e536bba7ec
SHA1 hash:
5bbefc806d643f986d24f251342c153214656b8e
Link:
https://www.unpac.me/results/4d97fe2a-053e-41b2-8ef1-f710885e4210/
SH256 hash:
1f9b8f1fccebfcd49c8f68433a89b0d713a2fc8684bac105ccd6357baf443b2f
MD5 hash:
f8cd7b484611fd63cb2803032a448d43
SHA1 hash:
260961bee6e7b3c94f7d99528815197cc5333702
Link:
https://www.unpac.me/results/4d97fe2a-053e-41b2-8ef1-f710885e4210/
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
Link:
https://www.unpac.me/results/4d97fe2a-053e-41b2-8ef1-f710885e4210/
SH256 hash:
86c095bb19bc65eed3cd2edeb97ec3101b10818086329f7c6e6431ac67dcbd8b
MD5 hash:
3a4fbe45371c0971a93dacd26edf926b
SHA1 hash:
ed6df5d5f21117321c3ee039905e0f8138cd17ff
Link:
https://www.unpac.me/results/4d97fe2a-053e-41b2-8ef1-f710885e4210/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/86c095bb19bc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/86c095bb19bc65eed3cd2edeb97ec3101b10818086329f7c6e6431ac67dcbd8b

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 86c095bb19bc65eed3cd2edeb97ec3101b10818086329f7c6e6431ac67dcbd8b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/348313/

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